Boone County climate

Boone County Weather in October

NOAA 1991-2020 normals for Marengo, 18.9 km from Boone County

Average highs run from 70°F on October 1 to 55°F on October 31, and lows from 45°F to 35°F. Normal precipitation for the month is 2.98 in over about 8 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Boone County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
62°F
Average low
40°F
Precipitation
2.98 in
Record high
90°FOct 1, 1971
Record low
15°FOct 29, 1952
Chance of a freeze
95%
Daylight
11 h 45 min to 10 h 23 min
Cloud cover
62%
Humidity
77%
Dew point
42°F
Wind
10.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 170°F45°F90°F 197128°F 200324%0%
Oct 269°F45°F88°F 197123°F 200324%0%
Oct 369°F44°F90°F 199728°F 195225%0%
Oct 468°F44°F88°F 200524°F 198925%0%
Oct 568°F44°F89°F 199727°F 198025%0%
Oct 667°F43°F90°F 196323°F 195225%0%
Oct 767°F43°F88°F 200726°F 200125%0%
Oct 866°F42°F86°F 200724°F 198725%0%
Oct 966°F42°F90°F 201026°F 200025%0%
Oct 1065°F42°F85°F 196224°F 196425%0%
Oct 1165°F41°F86°F 201025°F 200925%0%
Oct 1264°F41°F85°F 200824°F 198725%0%
Oct 1364°F41°F87°F 197522°F 198825%0%
Oct 1464°F40°F84°F 197528°F 197925%0%
Oct 1563°F40°F86°F 196326°F 200625%
Oct 1663°F40°F82°F 195627°F 199125%
Oct 1762°F40°F84°F 195624°F 195225%
Oct 1862°F39°F86°F 195319°F 195225%
Oct 1961°F39°F84°F 195318°F 199225%
Oct 2061°F39°F86°F 195324°F 195225%
Oct 2160°F38°F84°F 195322°F 195226%
Oct 2260°F38°F83°F 195322°F 197626%
Oct 2359°F38°F83°F 196320°F 198126%
Oct 2459°F37°F81°F 202318°F 198126%
Oct 2558°F37°F78°F 198923°F 198726%
Oct 2658°F37°F81°F 196318°F 196226%
Oct 2757°F36°F78°F 201419°F 197626%
Oct 2857°F36°F74°F 199917°F 197626%
Oct 2956°F36°F81°F 202415°F 195226%
Oct 3056°F35°F79°F 197121°F 198826%
Oct 3155°F35°F75°F 196820°F 201926%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boone County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

October 1
sunrise 6:52 AM, sunset 6:37 PM
October 31
sunrise 7:27 AM, sunset 5:50 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115326 (Marengo), public domain. Records: NOAA GHCN-Daily, station USW00094822, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.